package com.mryin.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * @program: MRYIN-ERP
 * @description: 自动填充的处理器
 * @author: Mr.YIN
 * @create: 2021-02-25 17:10
 **/
@Slf4j
@Component // 一定不要忘记把处理器加到IOC容器中！
public class MyMetaObjectHandler implements MetaObjectHandler {
    // 插入时的填充策略
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert fill.....");
// setFieldValByName(String fieldName, Object fieldVal, MetaObject metaObject
        this.setFieldValByName("gmtCreate",new Date(),metaObject);
        this.setFieldValByName("gmtUpdate",new Date(),metaObject);
    }
    // 更新时的填充策略
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("start update fill.....");
        this.setFieldValByName("gmtUpdate",new Date(),metaObject);
    }
}
